/Engine/Plugins/Interchange/Runtime/Source/FactoryNodes/Public/InterchangeSkeletalMeshFactoryNode.h
Query The maximum number of bone influences to allow each vertex in this mesh to use. If set higher than the limit determined by the project settings, it has no effect. If set to 0, the value is taken from the DefaultBoneInfluenceLimit project setting.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Interchange | Node | SkeletalMesh") bool GetCustomBoneInfluenceLimit ( int32 & AttributeValue ) const